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| Company | Precision Vision® | Precision Vision® | Precision Vision® | Precision Vision® | Precision Vision® |
| Item | Tumbling "E" Low Contrast Flip Book | Colenbrander Mixed Contrast Reading Card | Complete Rabin Contrast Sensitivity Set | Low Contrast and Mixed Contrast Eye Charts | Rabin Super Vision Test |
| Price | Inquire | Inquire | Inquire | Inquire | Inquire |
| Description | This flip book is great for vision studies and research world wide. The Tumbling "E" vision chart uses only one optotype for testing. Patients not familiar with the Roman alphabet simply have to gesture or sign which direction they see the "E" facing | Designed as a simple screen test. The usual question for a reading test is: "What is the smallest (black) line you can read?" On the contrast card one adds the question "What is the smallest (grey) line you can read?" The difference between the two | Test Includes CAT. NO. 2126 Rabin Contrast Sensitivity Test CAT. NO. 2147 Glare Filter CAT. NO. 2148 Low Photopic Filter CAT. NO. 914 Small Illuminator Cabinet CAT. NO. 915 Adjustable Base | Precision Vision offers a variety of Low Contrast and Mixed Contrast Eye Charts for testing Contrast Sensitivity. Notations for testing at Near Vision, 1 meter, 2 meters, 2.5 meters, 3 meters, 4 meters and Multi-distance. Products range from Flip | Developed by Jeff Rabin, OD, PhD,US Air Force School of Aerospace Medicine This Super Vision test includes visual acuity and letter contrast sensitivity (CS) on a single chart. The top portion of the chart tests for acuity vision while the bottom |
| Features | - For testing at 2 meters (6.5 ft.)
- Each page it's own contrast level at 100%, 2.5% and 1.25%
- Acuity range 20M to 1.6M
- Includes test instructions, recording forms (Cat. No. 2514) and soft-tipped pointer
- Measures 13.5 X 14 in.
| - Mixed high-contrast and 10% contrast
- Unrelated simple sentences at 4th grade level
- Serves as an educational tool to demonstrate the effect of contrast deficits to patients and family members.
- Multi-distance testing
- Acuity range 10m to 0.6m in Times Roman Font (20/320, 6/95 to 20/16, 6/4.8 equiv.)
- Includes test instructions and diopter ruler
- Measures 43 x 38 cm (17 x 11 in.)
- Folds in half to 21.5 x 38 cm (8.5 x 11 in.)
- Also available in various languages
| - A new contrast sensitivity test comparable to the small letter contrast test
- Detects subtle effects of defocus, low luminance and glare
- 20/50 letter size at 4 meters (13 ft.)
- Log CS increases 0.25 steps per row (0.05 log CS/ letter)
- Includes soft-tipped pointer, recording forms and test instructions
| Inquire | - Super vision test is designed for use at 4 meters (13 feet, 1.5 inches)
- Notations are printed on the chart in LogMAR 0.2 to -0.6 on the top half of the chart
- On the bottom half notations are printed in LogCS with a letter size of 5M, 4/5, 13/16.5 (6/7.5, 20/25 equiv.)
- High contrast VA (20/32 to 20/5 log MAR scale; 20/5 is 4x smaller than 20/20)
- Used by branches of the US Armed Forces
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| Product Number | 2380 | 4061 | 2120 | Inquire | 2128 |
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